On Fri, May 25, 2012 at 06:52:14PM +0800, zwu.kernel@xxxxxxxxx wrote:
> @@ -59,16 +60,16 @@ static ssize_t net_hub_receive_iov(NetHub *hub, NetHubPort *source_port,
> const struct iovec *iov, int iovcnt)
> {
> NetHubPort *port;
> - ssize_t ret = 0;
> + ssize_t len = iov_size(iov, iovcnt);
>
> QLIST_FOREACH(port, &hub->ports, next) {
> if (port == source_port) {
> continue;
> }
>
> - ret = qemu_sendv_packet(&port->nc, iov, iovcnt);
> + qemu_sendv_packet(&port->nc, iov, iovcnt);
> }
> - return ret;
> + return len;
> }
I think this is okay because at this point we've given it our best shot:
we already checked that port peers can receive. If they error out now
there's not much we can do. The packet is dropped for that particular
peer but at least we tried to deliver it when they claimed to be ready.
Stefan
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